Opera Mini and Opera Turbo uses the same rendering proxy. Essentially, Opera Mobile with Turbo is Opera Mini. I'd expect the bandwidth to be the same.
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Lie RyanApr 10 '12 at 5:01

Certainly not. Opera Mobile with Turbo receives the webpage as-is, just compressed and in one single package, without having to make separate requests for images and other resources. Opera Mini receives a version that has been pre-rendered by Opera's servers.
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ErikApr 10 '12 at 9:21